What is DID / DDI (Direct Inward Dialling)?
A DID or DDI (Direct Inward Dialling) number is a dedicated external phone number that routes straight to a specific user, team or service without going through a switchboard.
Silux Call provisions UK DDIs from any area code in seconds and ports existing DDI ranges free on every plan.
Also searched as: did number, ddi number, direct dial in.
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